Unlock Laser Sword:
This melee weapon can be found in Charms of Desire, a shop located on the upper level of the boulevard that connects Caribbean Cove to Miami Boardwalk.
Easy 'Faaantastic!' Achievement:
If you visit the Ja-POP! Store in Kiichiro Plaza in the Willamette Memorial Megaplex and take a picture at the entrance to the store ensuring that it has both sidewalls and the back wall in it you will get an 'S' rank photo and the 'Faaantastic!' Achievement.
Unlock Roaring Thunder:
The blueprint for this melee weapon can be found on the counter of the shop Tetro's Comics & Collectibles in Old Town.